public class Demo01 {


	public static void main(String[] args) {

		int a2 = 5;
        	System.out.println("abc" + a2);  // abc5
       		System.out.println(a2 + 5);  // 10
        	System.out.println("kaifamiao" + a2 + 'a');  // kaifamiao5a 
        	System.out.println(a2 + 'a' + "kaifamiao");  // 5akaifamiao 102kaifamiao
	}
}